ONCIDIUM. ( 28 ) PENTA. MACROPETALA. 
89. 0. pictum, HBK., 1. ¢. 81. LO. p. 201. 
Wild in the oe parts of Poparan, at the height of 
oon —HBK.; PEru—Mathews, 1920, (v. s. sp). 
species with a fine large pyramidal panicle of ee flowers. It cer- 
sai Gaonee here, and not to the plurituberculate se 
* 90. O ampliatum. ZO. p. 202. B. R. ¢. 1699. 
Wild in Cuntrat America; Cuming, 1312; Costa Rica, on 
in a climate the maximum of which is 85°—Skinner; 
ar 
There are two varieties in cea tion, differing only in the size of the 
flowers. Pani cle ample. Flowers yellow, much paler . _ back than in 
front. The crest at the back of the anther-bed is remarkab 
91. 0,Jamiesoni, Lvnd/. in Paxt. Fl. Gard., I. under t. 21. 
Wild in PERv ; _ amieson, (v. 8. 
Flowers yellow, with a brown base to the sili a few imperfect ones 
mixed with the fot aire = case of ha kind in the present group. 
92. 0. formosissimum. chd. f. in Bot. Zeit. 1852, p. 694! 
Wild in Perv; Loxa— Warczewicz; Andes of Quito — 
Jamieson, (v. s. sp. 
sae and pet aa dark — upper half yellow ; lip demas Peseage 
Petals four times as large — — sess _ Lip very large ; 
taecal lobes oblong, feclebed, small middle one very bro aa. "copetilake 
reniform, or rather crescent-shaped. ‘Ore ost “Eg wie five collateral equal 
downy, round tubercles, in front of which is a thin three-lobed arched 
embrane. Column-wings very large, hatchet shaped, ’ with gt Bars 
rounded, This is one of the finest of the genus. It differs from O. J i 
in its uniform flowers, which are much larger, with far large tape Se wings. 
93. 0, leopardinum. 
O. paniculé laxA diffusi flexuosd, petalis ovatis obtusis 
apiculatis ——— labelli _auriculati lobo medio ungui- 
culato transverso emarginato, cristA anticé 5-carinatd carinis 
late’ ihe a sates longioribus falcatis posticé sinuosi dentibus 
confluentibus duplici serie circumdata, ¢c. alis maximis cordatis 
sublobatis retrorsum falcatis. 
Wild in Perv; sources of the Marafion—Warczewicz, (0. s. sp. 
comm. cel. inventor 
Apparently a plant with a loose straggling panicle. Fi f 
those of O. pyramidale, or smaller, with me ik “dso net pag 
sepals and petals, and at the base of the lip. Saath ego bpp hagtons 
of a lobed sinuous centre surrounded b toy deals Cae of half confiuent teeth ; 
in front of pod tc int soak ace are short, the central twice as 
long as and curving outwards, 
